Natural selection reverses the exaggeration of a male sexually selected trait, which increases female fitness.
K. Okada, M. Katsuki, M. D. Sharma, K. Kiyose, T. Seko, Y. Okada, A. J. Wilson, D. Hosken
The paper uses experimental evolution to show that male-specific predation reduces exaggerated male traits in beetles, indirectly increasing female fitness through genetic correlations.
bioRxiv · Oct 15, 2020 · PreprintEvolutionary Biology